01. Look! The kitchen door was forced open. The burglars _____ have gotten in from here. A. must B. are supposed to C. ought D. were able to 答案为A，为什麽不能选D呢? 02. Many firms try to survive by lowering costs and _____ productivity. A. rising B. raising C. arising D. arousing 答案为C，我选的B >_< 这四个字的用法很难搞懂，我目前所知道的是rising形容具体实际的东西， arising形容抽象的东西。不知有没有比较容易理解的例子能弄懂这四个字？ 03. You’ll _____ with serious liver problems if you don’t quit drinking now. A. finish off B. catch up C. wind down D. end up 答案为D，但我觉得A的意思也很接近耶！ 04. The chief engineer ____ the bridge will be completed by next March. A. projects B. projecting C. to project D. has been projected 答案为A，但是看不懂这句的结构。 05. _____ detailed media reports on crime contribute to the rapid rise in the crime rate is difficult to determine and remains an unresolved question. A. Since B. Whether C. Because D. Although 答案为B，同上题，真的看不懂。#_# 06. _____ there at the beginning of the 10:00 show today? A. Was he B. Has he been C. Is he been D. Were he 答案为A，为何在today之前有个show？是当名词用吗？ 07. Mark’s doubts about his own ability come across very clearly in these letters, _____ to become a writer. A. so do his hesitation B. so is his hesitation C. so does his hesitation D. so his hesitation is 答案为C，恩....看不懂为何後半句倒装後动词前再加to？ 08. Was _____ you who recommended me for the scholarship? A. this B. it C. any of D. one of 答案为B，是不是在you之前省略that呢？ 请各位帮忙解惑了，感激不尽。 --

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